Colorado Desert Shovelnose Snake Chionactis occipitalis annulata (Baird, 1859)
An adult specimen from San Diego County, California Image © Suzanne L. Collins, 2005
Taxonomic Comments:
Wood et al. (2008. Conservation Genetics 9: 1489-1507), using molecular data, demonstrated that this taxon may be a distinct species, Chionactis annulata. Standard common name would remain Colorado Desert Shovelnose Snake,